Abstract: The study focuses primarily on national and state-level analysis of candidate choice in the 1968 Presidential, gubernatorial, and U.S. senatorial elections. In addition to extensive socio-economic and demographic data, variables include: national and state party identification: political ideology (and perceptions of the ideological positions of the Presidential candidates and the Democratic and Republican parties); perceived social class; perceptions of the problems facing 'people like themselves'; sense of citizen duty and of political efficacy; concern with perceived importance of, cynicism toward, and confidence in both the state and national government; job ratings of Congress, the state legislature, Lyndon Johnson, governor, and major political parties; ratings of political 'excellence as President' of a dozen 1968 Presidential contenders; the importance of each of 19 policy, group benefit, and candidate quality issues; positions on and perceptions of positions of candidates on those issues; positive and negative images of candidation; past and present voting behavior; campaign participation and party contact.